9 papers
Computational advances and challenges in simulations of turbulence and star formation
Christoph Federrath, Stella Offner
We review recent advances in the numerical modeling of turbulent flows and star formation. An overview of the most widely used simulation codes and their core capabilities is provi…
On the kinematic and thermodynamic state of clouds in complex wind-multi-cloud environments using a Friends-of-Friends analysis
Andrei Antipov, Wladimir E. Banda-Barragán, Yuval Birnboim +3
We investigate the interaction between a shock-driven hot wind and a cold multi-cloud layer, for conditions commonly found in interstellar and circumgalactic gas. We present a meth…
Turbulent gas-rich discs at high redshift: origin of thick stellar discs through 3D 'baryon sloshing'
Joss Bland-Hawthorn, Thor Tepper-Garcia, Oscar Agertz +8
In response to recent observations from JWST and ALMA, we explore a new class of dynamically self-consistent models using our AGAMA/Ramses hydrodynamic N-body framework (Nexus) tha…
Protostellar disc structure and dynamics during star formation from cloud-scale initial conditions
Trey Qingyun Yang, Christoph Federrath
The early evolution of protostellar, star-forming discs, including their density structure, turbulence, magnetic dynamics, and accretion variability, remains poorly understood. We…
Fundamental MHD scales -- II: the kinematic phase of the supersonic small-scale dynamo
Neco Kriel, James R. Beattie, Christoph Federrath +2
Many astrophysical small-scale dynamos (SSDs) amplify weak magnetic fields via highly compressible, supersonic turbulence, but established SSD theories have overlooked these compre…
The influence of the cloud virial parameter on the initial mass function
Sajay Sunny Mathew, Christoph Federrath, Amit Seta
Crucial for star formation is the interplay between gravity and turbulence. The observed cloud virial parameter, , which is the ratio of twice the turbulent kine…